import matplotlib 
matplotlib.use("Agg")
import numpy as np
from matplotlib import cm
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
 
def student(x,y):
    # ********* Begin *********#
	z = np.sin(-x * y)
    fig = plt.figure(figsize=(10,10))
    ax =  plt.axes(projection='3d')
    ax.plot_trisurf(x, y, z, cmap="jet", linewidth=0.2)
    plt.savefig("Task2/img/T1.png")
    plt.show()
	# ********* End *********#